From http://www.qsl.net/n9zia/dsss-channels.html

USA/FCC & Canada regions have 11 total channels allocated. All frequencies are in GHz.

Channel

Lower Frequency

Central Frequency

Upper Frequency

1

2.401

2.412

2.423

2

2.404

2.417

2.428

3

2.411

2.422

2.433

4

2.416

2.427

2.438

5

2.421

2.432

2.443

6

2.426

2.437

|2.448

7

2.431

2.442

2.453

8

2.436

2.447

2.458

9

2.441

2.452

2.463

10

2.446

2.457

2.468

11

2.451

2.462

2.473